HUE028508T2 - A method for purifying isocyanate-containing residuals - Google Patents

A method for purifying isocyanate-containing residuals Download PDF

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Publication number
HUE028508T2
HUE028508T2 HUE06793700A HUE06793700A HUE028508T2 HU E028508 T2 HUE028508 T2 HU E028508T2 HU E06793700 A HUE06793700 A HU E06793700A HU E06793700 A HUE06793700 A HU E06793700A HU E028508 T2 HUE028508 T2 HU E028508T2
Authority
HU
Hungary
Prior art keywords
residue
monomer
forced
less
residues
Prior art date
Application number
HUE06793700A
Other languages
English (en)
Hungarian (hu)
Inventor
Andreas Woelfert
Carsten Knoesche
Matthias Kloetzer
Hermann Ascherl
Eckhard Stroefer
Heinrich-Josef Blankertz
Michael Schoenherr
Martin Karches
Christian Benz
Original Assignee
Basf Se
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200510046816 external-priority patent/DE102005046816A1/de
Priority claimed from DE200510051399 external-priority patent/DE102005051399A1/de
Application filed by Basf Se filed Critical Basf Se
Publication of HUE028508T2 publication Critical patent/HUE028508T2/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00Preparation of derivatives of isocyanic acid
    • C07C263/18Separation; Purification; Stabilisation; Use of additives
    • C07C263/20Separation; Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00Derivatives of isocyanic acid
    • C07C265/14Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HUE06793700A 2005-09-29 2006-09-21 A method for purifying isocyanate-containing residuals HUE028508T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510046816 DE102005046816A1 (de) 2005-09-29 2005-09-29 Verfahren zur Aufreinigung von isocyanathaltigen Rückständen
DE200510051399 DE102005051399A1 (de) 2005-10-25 2005-10-25 Verfahren zur Aufreinigung von isocyanathaltigen Rückständen

Publications (1)

Publication Number Publication Date
HUE028508T2 true HUE028508T2 (en) 2017-02-28

Family

ID=37635743

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE06793700A HUE028508T2 (en) 2005-09-29 2006-09-21 A method for purifying isocyanate-containing residuals

Country Status (6)

Country Link
US (1) US9061971B2 (de)
EP (1) EP1931625B1 (de)
JP (1) JP5254020B2 (de)
KR (1) KR101287282B1 (de)
HU (1) HUE028508T2 (de)
WO (1) WO2007036479A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010507614A (ja) 2006-10-26 2010-03-11 ビーエーエスエフ ソシエタス・ヨーロピア イソシアネートの製造方法
WO2009127591A2 (de) * 2008-04-14 2009-10-22 Basf Se Verfahren zur aufarbeitung von rückständen aus der produktion von isocyanaten
US8492580B2 (en) 2009-08-04 2013-07-23 Basf Se Process for preparing isocyanates
JP2013505280A (ja) 2009-09-22 2013-02-14 ビーエーエスエフ ソシエタス・ヨーロピア イソシアナートの製造方法
TWI552982B (zh) 2013-03-29 2016-10-11 旭化成化學股份有限公司 異氰酸酯的製造方法
EP3571185A1 (de) 2017-01-18 2019-11-27 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
US11578030B2 (en) 2017-12-27 2023-02-14 Asahi Kasei Kabushiki Kaisha Organic amine collection method
EP3549931A1 (de) 2018-04-06 2019-10-09 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
EP3597632A1 (de) * 2018-07-18 2020-01-22 Covestro Deutschland AG Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen
US20240425448A1 (en) 2021-11-08 2024-12-26 Asahi Kasei Kabushiki Kaisha Method for producing isocyanate compound, method for producing carbamate compound, method for recovering amine compound, and isocyanate composition

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405040A (en) * 1965-08-31 1968-10-08 Mobay Chemical Corp Method for recovering tolylene diisocyanate
US3694323A (en) * 1968-08-05 1972-09-26 Du Pont Separation of distillable isocyanates from their phosgenation masses
JPS5354168A (en) * 1976-10-28 1978-05-17 Artisan Ind Improvement of evapolation apparatus
FR2397396A1 (fr) * 1977-07-12 1979-02-09 Ugine Kuhlmann Procede de recuperation du toluene diisocyanate a partir des residus de fabrication
DE2915830A1 (de) * 1979-04-19 1980-10-23 Basf Ag Gewinnung von toluylendiisocyanat und/oder hoehersiedenden loesungsmitteln im wirbelbett aus destillationsrueckstaenden der toluylendiisocanat-herstellung
CA1250572A (en) * 1982-09-30 1989-02-28 Kenneth L. Dunlap Reduction of free monomer in isocyanate adducts
US4672094A (en) * 1986-01-21 1987-06-09 The Dow Chemical Company Method for increasing the molecular weight of polyamides and polyesteramides
JPS62197101A (ja) * 1986-02-26 1987-08-31 Mitsui Toatsu Chem Inc 蒸発機
DE4317669A1 (de) * 1993-05-27 1994-12-01 Bayer Ag Verfahren zur Herstellung von Isocyanaten und kontinuierlichen Aufarbeitung des Rückstandes
US5962728A (en) * 1997-10-31 1999-10-05 Arco Chemical Technology, L.P. Isocyanate residue purification
DE19827086A1 (de) * 1998-06-18 1999-12-23 Basf Ag Verfahren zur Aufarbeitung von Destillationsrückständen aus der Synthese von Toluylendiisocyanat
DE10260092A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur Reinigung von Isocyanaten
US20050159495A1 (en) * 2004-01-20 2005-07-21 Jennings William J. Toluene diisocyanate tar fluidizer and method of use

Also Published As

Publication number Publication date
EP1931625B1 (de) 2015-11-11
EP1931625A1 (de) 2008-06-18
JP2009510015A (ja) 2009-03-12
WO2007036479A1 (de) 2007-04-05
KR101287282B1 (ko) 2013-07-23
US9061971B2 (en) 2015-06-23
US20080262263A1 (en) 2008-10-23
KR20080050615A (ko) 2008-06-09
JP5254020B2 (ja) 2013-08-07

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